Imperialism is the growth or building if an empire. Some reasons for imperialism is for more land=money=power, refuling stations, military bases, other nations are doing it, and markets.
        
             
        
        
        
A tariff is a tax on goods
        
                    
             
        
        
        
The answer is C. Hope this helps! (:
        
                    
             
        
        
        
What should happen next is, the police should notify Sean's parents or guardians.